Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
con-fulgĕo, ēre, v. n., to shine brightly, to glitter, glisten (very rare; perh. only in the foll. exs.): aedes confulgebant, Plaut. Am. 5, 1, 15; 5, 1, 44: lucida confulgent alti carchesia mali, Cinna ap. Isid. Orig. 19, 2, 10.